Keep the engine in the OFF status for 4 hours, and attempt to restart the engine 3 to 4 times for the batterysensor reactivation.
Pay extreme caution not to connect any accessories (i.e. navigation and black box) to the vehicle with the engine in the OFF status. If not, the battery sensor may not be reactivated.
Information
The ISG system may not operate in the following situations.
- There is a malfunction with the IGS system.
- The battery is weak.
-
The brake vacuum pressure is low. In those cases, we recommend that you have the
ISG system checked by an authorized HYUNDAI dealer.
NOTICE
Hyundai Kona (OS) 2018-2025 Service Manual: Oil Cooler Repair procedures
Removal
1.
Loosen the drain plug and drain the coolant. Open the radiator cap to
make rapid draining.
(Refer to Cooling System - "Coolant")
2.
Disconnect the oil cooler hoses (A).
3.
...
Hyundai Kona (OS) 2018-2025 Service Manual: Front Seat Back Cover Components and components location
Component Location
1. Front seat back cover
...